<?php
    header('Refresh:2;url=register.php');
?>

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>注册失败</title>
</head>
<body>
    <span style="color: green;font-size: 40px;">对不起，此账号已被注册!</span>
</body>
</html>